instrprof-dlopen-main.c revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0 
1
2#include <stdio.h>
3#include <stdlib.h>
4
5#ifdef DLOPEN_FUNC_DIR
6#include <dlfcn.h>
7#else
8void func(int K);
9void func2(int K);
10#endif
11
12int main(int argc, char *argv[]) {
13#ifdef DLOPEN_FUNC_DIR
14  dlerror();
15  void *f1_handle = dlopen(DLOPEN_FUNC_DIR"/func.shared", DLOPEN_FLAGS);
16  if (f1_handle == NULL) {
17    fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func.shared': %s\n",
18            dlerror());
19    return EXIT_FAILURE;
20  }
21
22  void (*func)(int) = (void (*)(int))dlsym(f1_handle, "func");
23  if (func == NULL) {
24    fprintf(stderr, "unable to lookup symbol 'func': %s\n", dlerror());
25    return EXIT_FAILURE;
26  }
27
28  void *f2_handle = dlopen(DLOPEN_FUNC_DIR"/func2.shared", DLOPEN_FLAGS);
29  if (f2_handle == NULL) {
30    fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func2.shared': %s\n",
31            dlerror());
32    return EXIT_FAILURE;
33  }
34
35  void (*func2)(int) = (void (*)(int))dlsym(f2_handle, "func2");
36  if (func2 == NULL) {
37    fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror());
38    return EXIT_FAILURE;
39  }
40#endif
41
42  func(1);
43  func2(0);
44
45  return EXIT_SUCCESS;
46}
47
48